JP3303016B2 - 連続心拍出量監視用電力増幅器 - Google Patents
連続心拍出量監視用電力増幅器Info
- Publication number
- JP3303016B2 JP3303016B2 JP50329296A JP50329296A JP3303016B2 JP 3303016 B2 JP3303016 B2 JP 3303016B2 JP 50329296 A JP50329296 A JP 50329296A JP 50329296 A JP50329296 A JP 50329296A JP 3303016 B2 JP3303016 B2 JP 3303016B2
- Authority
- JP
- Japan
- Prior art keywords
- cardiac output
- frequency
- catheter
- continuous cardiac
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000747 cardiac effect Effects 0.000 title claims description 60
- 238000012544 monitoring process Methods 0.000 title claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 46
- 238000004804 winding Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 9
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 47
- 230000017531 blood circulation Effects 0.000 description 23
- 239000003990 capacitor Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000012806 monitoring device Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 230000002685 pulmonary effect Effects 0.000 description 9
- 210000001147 pulmonary artery Anatomy 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 210000004351 coronary vessel Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000010125 myocardial infarction Diseases 0.000 description 3
- 210000005245 right atrium Anatomy 0.000 description 3
- 210000005241 right ventricle Anatomy 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 206010011086 Coronary artery occlusion Diseases 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000006903 response to temperature Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003102 pulmonary valve Anatomy 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 210000000591 tricuspid valve Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
- A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/029—Measuring or recording blood output from the heart, e.g. minute volume
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Physiology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Power Engineering (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Surgical Instruments (AREA)
- Amplifiers (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/268,217 | 1994-06-29 | ||
| US08/268,217 US5636638A (en) | 1994-06-29 | 1994-06-29 | Electrical power amplifier for continuous cardiac output monitoring |
| PCT/US1995/007853 WO1996000519A1 (en) | 1994-06-29 | 1995-06-28 | Electrical power amplifier for continuous cardiac output monitoring |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000350306A Division JP2001189629A (ja) | 1994-06-29 | 2000-11-16 | 連続心拍出量監視用電力増幅器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10505511A JPH10505511A (ja) | 1998-06-02 |
| JP3303016B2 true JP3303016B2 (ja) | 2002-07-15 |
Family
ID=23021984
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50329296A Expired - Fee Related JP3303016B2 (ja) | 1994-06-29 | 1995-06-28 | 連続心拍出量監視用電力増幅器 |
| JP2000350306A Pending JP2001189629A (ja) | 1994-06-29 | 2000-11-16 | 連続心拍出量監視用電力増幅器 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000350306A Pending JP2001189629A (ja) | 1994-06-29 | 2000-11-16 | 連続心拍出量監視用電力増幅器 |
Country Status (6)
| Country | Link |
|---|---|
| US (5) | US5636638A (de) |
| EP (1) | EP0767622B1 (de) |
| JP (2) | JP3303016B2 (de) |
| CA (1) | CA2193826C (de) |
| DE (1) | DE69532583T2 (de) |
| WO (1) | WO1996000519A1 (de) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5954659A (en) * | 1996-02-16 | 1999-09-21 | Curley; Michael G. | Method and apparatus for invasively measuring cardiac output by detecting temperature differences of blood heated by radiation |
| US6229393B1 (en) * | 1997-01-22 | 2001-05-08 | Storz Endoskop Gmbh | High frequency power generator |
| US5808576A (en) * | 1997-02-24 | 1998-09-15 | Texas Instruments Incorporated | Resistor string digital-to-analog converter |
| US6015387A (en) * | 1997-03-20 | 2000-01-18 | Medivas, Llc | Implantation devices for monitoring and regulating blood flow |
| US6986744B1 (en) * | 1999-02-02 | 2006-01-17 | Transonic Systems, Inc. | Method and apparatus for determining blood flow during a vascular corrective procedure |
| GB9920112D0 (en) * | 1999-08-26 | 1999-10-27 | Aortech Int Plc | Improvements relating to catheters (I) |
| FI108702B (fi) * | 1999-09-29 | 2002-03-15 | Instrumentarium Oyj | Järjestelmä ja menetelmä sydämen lyöntitilavuuden mittaamiseksi |
| US20030150464A1 (en) * | 1999-12-17 | 2003-08-14 | Casscells S. Ward | Inducing apoptosis of atrial myocytes to treat atrial fibrillation |
| FI110990B (fi) * | 2001-01-29 | 2003-05-15 | Instrumentarium Oyj | Katetrin lämmityspiiri jatkuvaan sydämen minuuttitilavuuden mittaamiseen |
| EP1236435B1 (de) | 2001-03-01 | 2004-05-19 | Pulsion Medical Systems AG | Gerät, Computerprogramm und Zentralvenenkatheter zur hämodynamischen Überwachung |
| US7593775B2 (en) * | 2002-01-15 | 2009-09-22 | Therapeutic Innovations | Sports equipment with resonant muscle stimulator for developing muscle strength |
| US7035691B2 (en) * | 2002-01-15 | 2006-04-25 | Therapeutic Innovations, Inc. | Resonant muscle stimulator |
| US6812811B2 (en) * | 2002-05-14 | 2004-11-02 | Halliburton Energy Services, Inc. | Power discriminating systems |
| US20040065541A1 (en) * | 2002-08-27 | 2004-04-08 | Litton Systems, Inc. | Stepped voltage controller for ceramic oxygen generating systems |
| US20040049241A1 (en) * | 2002-09-10 | 2004-03-11 | Therapeutic Innovations, Inc. | Distributed muscle stimulator |
| US20040236385A1 (en) * | 2003-01-31 | 2004-11-25 | Therapeutic Innovations, Inc. | Rectal resonant muscle stimulator |
| WO2007030422A2 (en) * | 2005-09-06 | 2007-03-15 | Omnisonics Medical Technologies, Inc. | Ultrasound medical devices, systems and methods |
| US20070167865A1 (en) * | 2005-11-29 | 2007-07-19 | Lopez George A | Cardiac output measurement devices and methods |
| EP1830468A1 (de) * | 2006-03-03 | 2007-09-05 | STMicroelectronics S.r.l. | Vorrichtung und Verfahren zur Regelung eines D/A-Wandlers |
| JP4740080B2 (ja) * | 2006-09-26 | 2011-08-03 | 三洋電機株式会社 | 空気除菌装置 |
| US8109883B2 (en) | 2006-09-28 | 2012-02-07 | Tyco Healthcare Group Lp | Cable monitoring apparatus |
| US8668651B2 (en) | 2006-12-05 | 2014-03-11 | Covidien Lp | ECG lead set and ECG adapter system |
| EP2062528B1 (de) * | 2007-11-23 | 2012-03-14 | Pulsion Medical Systems AG | Zentralvenöse Sensoranordnung zum Messen physiologischer Daten zur Bestimmung der Herzleistung sowie Verfahren zur Bestimmung der Herzleistung |
| US20130053730A1 (en) * | 2009-10-30 | 2013-02-28 | National University Of Singapore | Miniature Sensor Tip for Medical Devices and Method of Forming the Same |
| US20150297093A1 (en) * | 2014-04-18 | 2015-10-22 | Vivonics, Inc. | Flow rate sensor system and method for non-invasively measuring the flow rate of a bodily fluid |
| US10583030B2 (en) | 2015-05-28 | 2020-03-10 | Larry J. Mattson | Sleep device |
| USD919327S1 (en) | 2018-09-19 | 2021-05-18 | Damian Hagglund | Massage mat |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB222685A (en) * | 1923-10-16 | 1924-10-09 | Mooney Ltd Ag | Shoe shank stiffeners |
| CH495154A (de) * | 1968-08-26 | 1970-08-31 | Liechti Ag Fred | Vorrichtung zur Überwachung und Anregung der Herztätigkeit |
| US3614589A (en) * | 1970-03-18 | 1971-10-19 | Ralph H Ireland | Sine wave static inverter |
| DD118524A5 (de) * | 1974-05-24 | 1976-03-12 | ||
| CA1109800A (en) * | 1975-07-10 | 1981-09-29 | Oliver C. Eckel | Wind turbine |
| US4140133A (en) * | 1977-04-26 | 1979-02-20 | Moskovsky Oblastnoi Nauchno-Issledovatelsky Institut Akusherstva I Ginekolog Ii | Device for pulse current action on central nervous system |
| US4216462A (en) * | 1978-03-06 | 1980-08-05 | General Electric Company | Patient monitoring and data processing system |
| US4317165A (en) * | 1980-06-17 | 1982-02-23 | Vanner, Inc. | Inverter having improved efficiency and regulation |
| FR2511560A1 (fr) * | 1981-08-11 | 1983-02-18 | Asulab Sa | Circuit amplificateur |
| US4448202A (en) * | 1982-04-26 | 1984-05-15 | Wajszczuk Waldemar J | Biological signal amplifier system with noise level reduction |
| US4467813A (en) * | 1982-05-04 | 1984-08-28 | Cardiac Resuscitator Corporation | Biological signal source amplifier |
| US4507974A (en) * | 1983-04-21 | 1985-04-02 | The Board Of Trustees Of The Leland Stanford Jr. University | Method and apparatus for measuring flow |
| US4574342A (en) * | 1983-08-17 | 1986-03-04 | Rockwell International Corporation | Resonance driver |
| US4677986A (en) * | 1985-05-28 | 1987-07-07 | Cordis Corporation | Unsaturable sense amplifier for pacer system analyzer |
| GB8604125D0 (en) * | 1986-02-19 | 1986-03-26 | Rowlands S L | Resistance element simulator |
| US5003991A (en) * | 1987-03-31 | 1991-04-02 | Olympus Optical Co., Ltd. | Hyperthermia apparatus |
| JPH01305612A (ja) * | 1988-06-02 | 1989-12-08 | Toshiba Corp | 減衰器 |
| US4898176A (en) * | 1988-06-22 | 1990-02-06 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
| US4951682A (en) * | 1988-06-22 | 1990-08-28 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
| US5003983A (en) * | 1988-08-25 | 1991-04-02 | Cortec, Inc. | Cardiac monitoring system |
| JPH02247708A (ja) * | 1989-03-22 | 1990-10-03 | Canon Inc | 電源回路 |
| US5014284A (en) * | 1989-06-30 | 1991-05-07 | Cardiac Telecom Corporation | Discrete slope delta modulation with recovery means |
| US5056526A (en) * | 1989-10-27 | 1991-10-15 | Khalil Hassan H | Device for global evaluation of the left ventricular ejection fraction by thermodilution |
| US5146414A (en) * | 1990-04-18 | 1992-09-08 | Interflo Medical, Inc. | Method and apparatus for continuously measuring volumetric flow |
| GB9011259D0 (en) * | 1990-05-19 | 1990-07-11 | Nashef Samer A | Catheters |
| US5553622A (en) * | 1991-01-29 | 1996-09-10 | Mckown; Russell C. | System and method for controlling the temperature of a catheter-mounted heater |
| US5277191A (en) * | 1991-06-19 | 1994-01-11 | Abbott Laboratories | Heated catheter for monitoring cardiac output |
| US5229712A (en) * | 1991-06-25 | 1993-07-20 | Thornton Roger D | Circuit and method for producing a flexible reference voltage |
| US5242440A (en) * | 1991-07-23 | 1993-09-07 | Shippert Ronald D | Finger controlled switching apparatus |
| JPH0590847A (ja) * | 1991-09-28 | 1993-04-09 | Victor Co Of Japan Ltd | 電力増幅器 |
| EP0606356B1 (de) * | 1991-10-01 | 1998-06-03 | Interflo Medical, Inc. | Diagnostischer katheter mit speichern |
| US5304206A (en) * | 1991-11-18 | 1994-04-19 | Cyberonics, Inc. | Activation techniques for implantable medical device |
| WO1993015652A1 (en) * | 1992-02-07 | 1993-08-19 | Interflo Medical, Inc. | A thermodilution catheter having a safe, flexible heating element |
| US5305760A (en) * | 1992-02-07 | 1994-04-26 | Interflo Medical Inc. | Method for rejecting electrical interference from physiological measurements |
| DE69316190T2 (de) * | 1992-02-10 | 1998-08-20 | Interflo Medical, Inc., Plano, Tex. | System und verfahren zur temperaturregelung eines in einem katheter angebrachten heizelementes |
| EP0573699B1 (de) * | 1992-06-06 | 1996-10-02 | The Procter & Gamble Company | Zusammensetzungen zur Schaumbegrenzung |
| US5342356A (en) * | 1992-12-02 | 1994-08-30 | Ellman Alan G | Electrical coupling unit for electrosurgery |
| US5366483A (en) * | 1993-05-12 | 1994-11-22 | Grigory Sadkhin | Method and apparatus for use in treating biologically active points on a patient's skin |
| US5493100A (en) * | 1994-12-28 | 1996-02-20 | Pacesetter, Inc. | Thermistor flow sensor and related method |
-
1994
- 1994-06-29 US US08/268,217 patent/US5636638A/en not_active Expired - Lifetime
-
1995
- 1995-04-14 US US08/422,369 patent/US5634470A/en not_active Expired - Lifetime
- 1995-06-06 US US08/466,544 patent/US5594375A/en not_active Expired - Lifetime
- 1995-06-28 EP EP95924629A patent/EP0767622B1/de not_active Expired - Lifetime
- 1995-06-28 CA CA002193826A patent/CA2193826C/en not_active Expired - Lifetime
- 1995-06-28 WO PCT/US1995/007853 patent/WO1996000519A1/en active IP Right Grant
- 1995-06-28 DE DE69532583T patent/DE69532583T2/de not_active Expired - Lifetime
- 1995-06-28 JP JP50329296A patent/JP3303016B2/ja not_active Expired - Fee Related
-
1996
- 1996-10-16 US US08/732,006 patent/US5797964A/en not_active Expired - Lifetime
- 1996-11-08 US US08/747,099 patent/US5701908A/en not_active Expired - Lifetime
-
2000
- 2000-11-16 JP JP2000350306A patent/JP2001189629A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE69532583T2 (de) | 2004-12-16 |
| US5701908A (en) | 1997-12-30 |
| US5636638A (en) | 1997-06-10 |
| EP0767622B1 (de) | 2004-02-18 |
| JP2001189629A (ja) | 2001-07-10 |
| US5594375A (en) | 1997-01-14 |
| US5797964A (en) | 1998-08-25 |
| WO1996000519A1 (en) | 1996-01-11 |
| DE69532583D1 (de) | 2004-03-25 |
| EP0767622A1 (de) | 1997-04-16 |
| CA2193826A1 (en) | 1996-01-11 |
| JPH10505511A (ja) | 1998-06-02 |
| US5634470A (en) | 1997-06-03 |
| CA2193826C (en) | 2003-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |